Find flights
Deals

$127+ Cheap flights from San Diego

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SAN — SYD
20 May — 27 May1
1 adult
1 adult, Economy, 0 bags

Find flights from San Diego within your budget

 
Find flights departing from San Diego that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 20 April 2026. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Route

Depart

Return

Price

Cheapest return flight

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Fri 3/7

16:18-22:48

1 stop5h 30m

Bozeman Gallatin Field

Wed 8/7

08:25-15:16

1 stop7h 51m

$280

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Thu 11/6

19:13-00:23

1 stop4h 10m

Bozeman Gallatin Field

Thu 18/6

15:56-22:38

1 stop7h 42m

$280

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Mon 4/5

19:12-00:09

1 stop3h 57m

Bozeman Gallatin Field

Wed 6/5

07:18-14:38

1 stop8h 20m

$303
Fastest return journey

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Thu 11/6

19:00-01:10

1 stop5h 10m

Bozeman Gallatin Field

Thu 18/6

13:50-15:30

Nonstop2h 40m

$347

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Tue 11/8

11:38-15:24

Nonstop2h 46m

Bozeman Gallatin Field

Tue 18/8

15:05-20:49

1 stop6h 44m

$359

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Wed 24/6

06:35-15:27

1 stop7h 52m

Bozeman Gallatin Field

Mon 29/6

17:51-22:25

1 stop5h 34m

$392

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Mon 20/7

19:00-01:10

1 stop5h 10m

Bozeman Gallatin Field

Fri 24/7

13:50-15:30

Nonstop2h 40m

$431

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Mon 22/6

06:20-14:48

1 stop7h 28m

Bozeman Gallatin Field

Fri 26/6

19:30-23:52

1 stop5h 22m

$432

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Mon 22/6

19:00-01:10

1 stop5h 10m

Bozeman Gallatin Field

Fri 26/6

13:50-15:30

Nonstop2h 40m

$446

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Sun 31/5

16:45-23:55

1 stop6h 10m

Bozeman Gallatin Field

Sat 6/6

18:05-22:20

1 stop5h 15m

$473

Flights are sorted by cheapest return flights first.

Deals found on 15/4

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from San Diego

Have a flexible travel schedule? Discover the best time to fly from San Diego with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from San Diego

Get recent, data-driven insights about flights from San Diego including ideal travel times, pricing trends, and more.

When is the best time to book a flight from San Diego?

Use this chart to determine the optimal time to book a return flight from San Diego to Sydney. Price data was last updated on 17 April 2026.

The best time to book flights from San Diego is 39 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from San Diego?

Currently, August is the cheapest month in which you can book a flight from San Diego (average of $1,384). Flying from San Diego in January will prove the most costly (average of $2,063). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

What are popular destinations to fly to from San Diego?

San Diego offers frequent flights to Chicago (580 flights per day), New York (415 flights per day) and San Francisco (400 flights per day).

Las Vegas Harry Reid Intl
Las Vegas Harry Reid Intl
From $99
Denver Intl
Denver Intl
From $2,865
Calgary
Calgary
From $530
Vancouver Intl
Vancouver Intl
From $264

What is the cheapest place to fly to from San Diego?

The cheapest city to fly to from San Diego is Las Vegas Harry Reid Intl, with prices starting at $99. Explore other affordable destinations below.

Las Vegas Harry Reid Intl
Las Vegas Harry Reid Intl
From $99
Vancouver Intl
Vancouver Intl
From $264
Calgary
Calgary
From $530

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Related info for your journey

Access useful and relevant information related to your journey from San Diego. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 20 April 2026.

  • What are the most popular destinations to fly to from San Diego?

    For the current month, the most popular flights from San Diego are Boston, Chicago, Atlanta. Boston, Chicago, Atlanta are the most popular locations from San Diego year round.

  • What is the cheapest flight from San Diego to anywhere?

    Users have flown out of San Diego for as low as $99 to Las Vegas (prices may vary depending on the airline and departure time). On average, users have booked flights for $865 to fly from San Diego.

  • What is the cheapest premium economy flight from San Diego?

    Options for some of the cheapest premium economy flights from San Diego we have found on Cheapflights are as follows:
    Fly from San Diego to London Heathrow Airport starting at $2,563
    Fly from San Diego to Seattle starting at $2,665

  • What is the cheapest first class flight from San Diego?

    If you’re looking to fly first-class from San Diego to anywhere, put Boston on your list as prices start at $2,080 for this destination.

  • What is the cheapest month to fly from San Diego?

    Currently, the cheapest month for flights from San Diego is August. The most expensive month for flights is January. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

  • How does Cheapflights help users find flights from San Diego?

    Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from San Diego. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

  • Why should you use Cheapflights to find cheap flight tickets from San Diego?

    Millions of users choose and trust Cheapflights to book the best flight deals from San Diego for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

  • Can Cheapflights find flights from San Diego with no change fees?

    Cheapflights does show flights with no change fees to all users. To see these options for flights from San Diego, users can toggle the no change fees filter when performing a flight search.

  • Can Cheapflights notify me if prices for flights from San Diego become cheaper?

    Yes! Start tracking prices for flights from San Diego today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive the alerts.

See more FAQs

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San Diego?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from San Diego. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from San Diego?

Millions of users choose and trust Cheapflights to book the best flight deals from San Diego for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from San Diego with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from San Diego, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from San Diego become cheaper?

Yes! Start tracking prices for flights from San Diego today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive the alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.